{"product_id":"atracypart-vvt-exhaust-solenoid-for-chevy-gmc-buick-2-8l-4-2l-replaces-12615873-tested-aluminum-12-month-warranty","title":"ATRACYPART VVT Exhaust Solenoid for Chevy\/GMC\/Buick 2.8L–4.2L — Replaces 12615873, Tested Aluminum, 12‑Month Warranty","description":"\u003cp\u003e\u003cstrong\u003eATRACYPART Exhaust VVT Solenoid is a direct-replacement variable valve timing camshaft actuator designed to restore VVT function and improve engine responsiveness on compatible GM and Isuzu vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement VVT (variable valve timing) solenoid is engineered for precise fit and reliable operation in a range of 2.8L–4.2L engines used by Chevrolet, GMC, Buick, Hummer and Isuzu models. Built with treated aluminum components and tested for oil flow and leakage, the unit aims to reduce the symptoms associated with a failing camshaft timing actuator: rough idle, reduced fuel efficiency and diagnostic trouble codes. It replaces OE part numbers such as 12615873 and 12602516 and includes a 12-month warranty for added confidence.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this solenoid affect drivability and idle behavior?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn VVT solenoid can reduce unstable idle and restore smoother low-speed operation by allowing the engine control system to vary cam timing as designed. You may notice improved throttle response and steadier RPM at rest once the solenoid is functioning properly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores controlled camshaft phasing for smoother idle and transitions\u003c\/li\u003e\n  \u003cli\u003eHelps eliminate rough-idle symptoms caused by restricted or sticking valves\u003c\/li\u003e\n  \u003cli\u003eSupports consistent oil flow to VVT system for reliable timing adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and engines does this part fit?\u003c\/h3\u003e\n\u003cp\u003eThis ATRACYPART VVT solenoid fits a wide range of GM and Isuzu vehicles equipped with 2.8L, 2.9L, 3.5L, 3.7L and 4.2L engines across model years in the 2000s and early 2010s. Always verify your vehicle’s OEM part number or engine size against the listed replacements before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet Trailblazer (2002–2009), Trailblazer EXT (2002–2006)\u003c\/li\u003e\n  \u003cli\u003eChevrolet Colorado (2004–2012) and GMC Canyon (2004–2012) with listed engines\u003c\/li\u003e\n  \u003cli\u003eGMC Envoy series, Buick Rainier, Hummer H3\/H3T, Isuzu Ascender and select i-series models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat quality and testing standards were used for this replacement part?\u003c\/h3\u003e\n\u003cp\u003eThe solenoid uses precision-machined aluminum valve bodies and surface-treated spool valves to reduce wear and minimize sticking under oily conditions. Each unit is inspected and tested for oil flow, pressure and leakage to meet long-term service expectations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSurface-treated spool and aluminum valve body for increased wear resistance\u003c\/li\u003e\n  \u003cli\u003eOE-style mounting and connector design to ensure a secure fit\u003c\/li\u003e\n  \u003cli\u003eIndividual oil-flow and leakage testing plus a 12-month warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this part clear common VVT-related codes and which OEM numbers does it replace?\u003c\/h3\u003e\n\u003cp\u003eThis replacement is manufactured to address mechanical and hydraulic causes of common VVT codes by restoring proper oil control to the cam actuator. It is listed as a replacement for several OEM part numbers so it can be used when those specific parts are shown in your vehicle’s repair manual or diagnostics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces OEM numbers: 12615873, 12602516, 12568078, 12576768, 12597025 and others\u003c\/li\u003e\n  \u003cli\u003eDesigned to resolve issues that produce VVT-related codes such as P0013, P0014, P0016, P0017 when caused by the solenoid\u003c\/li\u003e\n  \u003cli\u003e12-month warranty covers manufacturing defects and service concerns\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, DIY mechanics and vehicle owners who need a dependable, OE-style replacement VVT solenoid for late-model GM and select Isuzu vehicles. Choose this part if your vehicle shows timing-related symptoms, a matching OEM part number, or diagnostic codes pointing to exhaust VVT\/camshaft actuator operation. If you’re unsure about fitment, compare your original part number or consult a repair manual before ordering; ATRACYPART provides customer support and a 12-month warranty for added assurance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this solenoid replace OEM part 12615873?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This ATRACYPART unit lists 12615873 and several other OEM numbers as direct replacements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is there a warranty included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The product includes a 12-month warranty covering manufacturing defects and tested performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ATRACYPART","offers":[{"title":"Default Title","offer_id":48084325171358,"sku":"B07L6K5PJV","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/atracypart-exhaust-vvt-solenoid-front-view.jpg?v=1785850007","url":"https:\/\/northtrailauto.ca\/products\/atracypart-vvt-exhaust-solenoid-for-chevy-gmc-buick-2-8l-4-2l-replaces-12615873-tested-aluminum-12-month-warranty","provider":"North Trail Auto","version":"1.0","type":"link"}